Lithophane is

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Lithophane is

A. Explosive

B. White lead

C. Filter aid

D. ZnS (white pigment)

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Calgon used in water treatment is chemically

A. Sodium phosphate

B. Sodium hexametaphosphate

C. Calcium phosphate

D. Tricresyl phosphate

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Flux addition during smelting of ore is done to

A. Remove impurities/gangue

B. Enhance rate of reaction

C. Accelerate reduction of ore

D. Separate slag from metal

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Synthetic glycerine is produced from

A. Toluene

B. Phenol

C. Propylene

D. Naphthalene

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Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?

A. High cost of mercury

B. High specific gravity of mercury

C. Non-availability of high purity mercury

D. Pollution of water stream by mercury

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Sudden temperature fluctuation does not affect pyrex glass, because of its

A. Low co-efficient of expansion

B. High co-efficient of expansion

C. High melting point

D. Both (B) and (C)

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Triple superphosphate is manufactured by reacting

A. Phosphate rock with phosphoric acid

B. Phosphate rock with sulphuric acid

C. Phosphate rock with nitric acid

D. Ammonium phosphate with phosphoric acid

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Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.

A. 10

B. 25

C. 50

D. 98

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Highly porous refractory bricks are

A. Less susceptible to chemical attack by molten fluxes and gases etc

B. Very strong

C. Having very high thermal conductivity

D. None of these

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Starting raw material for the manufacture of Maleic anhydride is

A. n-butene

B. Benzene

C. Either (A) or (B)

D. Neither (A) nor (B)

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Ca(OH)₂ is called

A. Quicklime

B. Slaked lime

C. Limestone

D. Gypsum

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High temperature carbonisation of coal produces

A. Inferior coke compared to low temperature carbonisation

B. Less of gases compared to liquid products

C. Larger quantity of tar compared to low temperature carbonisation

D. None of these

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Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

A. Xanthates

B. Stearic acid

C. Calcium & aluminium stearate

D. Formic acid

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The most economical pulp for the production of newsprint would be the __________ pulp.

A. Ground-wood

B. Sulphate

C. Sulphite

D. Semi-chemical

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Which of the following is not a product of coal tar distillation?

A. Anthracene

B. Creosote oil

C. Carbolic oil

D. None of these

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Phosphate rock is a raw material for the manufacture of

A. Phosphoric acid

B. Phosphorous

C. Superphosphates

D. All (A), (B) and (C)

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Addition of calcium oxide to water produces

A. Exothermic heat

B. Hissing sound

C. Slaked lime

D. All (A), (B) & (C)

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Starting material for the production of butadiene in India is

A. Naphthalene

B. Benzol

C. Ethyl alcohol

D. Phthalic anhydride

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Sulphuric acid completely saturated with sulphur trioxide is called

A. Concentrated sulphuric acid

B. Oleum

C. Sulphurous acid

D. Dilute sulphuric acid

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Pick out the wrong statement. Iodine value of an oil or fat is

A. The number of grams of iodine taken up by 100 gm of oil or fat

B. A measure of its unsaturation

C. Helpful in findings its adulteration & its suitability for making soap

D. Independent of the type of oil, whether it is drying or non-drying

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Plasticisers are added to synthetic plastics to

A. Impart flexibility

B. Improve workability during fabrication

C. Develop new improved properties not present in the original resins

D. All (A), (B) and (C)

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Type of glass used in optical work is the __________ glass.

A. Soda-lime

B. Fibre

C. Lead

D. Borosilicate

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__________ is used as a flux in the smelting of copper ore like chalcopyrite.

A. Coke breeze

B. Lime powder

C. Silica/quartz

D. Dolomite

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Use of hydrated lime in water treatment

A. Before filtration, reduces the bacterial load on filters

B. After filtration, combats the corrosiveness of water due to the presence of O₂ & CO₂

C. Is to adjust the pH value

D. All (A), (B) and (C)

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Hydrazine is used in water treatment for the removal of

A. Colloidal impurities

B. Dissolved oxygen

C. Turbidity

D. Chlorinous taste

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Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

A. As a lubricant

B. As a rust preventive

C. In hard water for cleaning of cloth

D. As a foam depressant in distillation column

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Neoprene is the trade name of

A. Polyurethane

B. Phenol formaldehyde

C. Polychlorophrene

D. Styrene-butadiene rubber

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Free alkali in a toilet soap is __________ that in a laundry shop.

A. Less than

B. More than

C. Same

D. None of these

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Which of the following is not a food additive?

A. Citric acid

B. Invertage

C. Benzoyl peroxide

D. Ammonium chloride

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Hydrocyanic acid (HCN) is used as an insecticide for

A. Controlling timber degradation by ants

B. Controlling poultry lice

C. Potato beetle

D. Citrus fruits

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The catalyst used in shift converter is

A. Nickel

B. Vanadium

C. Silica gel

D. Alumina

Discuss this answer

Accepted Answer

D. ZnS (white pigment)

Lithophane is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Calgon used in water treatment is chemically

Flux addition during smelting of ore is done to

Synthetic glycerine is produced from

Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?

Sudden temperature fluctuation does not affect pyrex glass, because of its

Triple superphosphate is manufactured by reacting

Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.

Highly porous refractory bricks are

Starting raw material for the manufacture of Maleic anhydride is

Ca(OH)₂ is called

High temperature carbonisation of coal produces

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

The most economical pulp for the production of newsprint would be the __________ pulp.

Which of the following is not a product of coal tar distillation?

Phosphate rock is a raw material for the manufacture of

Addition of calcium oxide to water produces

Starting material for the production of butadiene in India is

Sulphuric acid completely saturated with sulphur trioxide is called

Pick out the wrong statement. Iodine value of an oil or fat is

Plasticisers are added to synthetic plastics to

Type of glass used in optical work is the __________ glass.

__________ is used as a flux in the smelting of copper ore like chalcopyrite.

Use of hydrated lime in water treatment

Hydrazine is used in water treatment for the removal of

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

Neoprene is the trade name of

Free alkali in a toilet soap is __________ that in a laundry shop.

Which of the following is not a food additive?

Hydrocyanic acid (HCN) is used as an insecticide for

The catalyst used in shift converter is

Also checkout

Lithophane is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Calgon used in water treatment is chemically

Flux addition during smelting of ore is done to

Synthetic glycerine is produced from

Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?

Sudden temperature fluctuation does not affect pyrex glass, because of its

Triple superphosphate is manufactured by reacting

Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.

Highly porous refractory bricks are

Starting raw material for the manufacture of Maleic anhydride is

Ca(OH)2 is called

High temperature carbonisation of coal produces

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

The most economical pulp for the production of newsprint would be the __________ pulp.

Which of the following is not a product of coal tar distillation?

Phosphate rock is a raw material for the manufacture of

Addition of calcium oxide to water produces

Starting material for the production of butadiene in India is

Sulphuric acid completely saturated with sulphur trioxide is called

Pick out the wrong statement. Iodine value of an oil or fat is

Plasticisers are added to synthetic plastics to

Type of glass used in optical work is the __________ glass.

__________ is used as a flux in the smelting of copper ore like chalcopyrite.

Use of hydrated lime in water treatment

Hydrazine is used in water treatment for the removal of

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

Neoprene is the trade name of

Free alkali in a toilet soap is __________ that in a laundry shop.

Which of the following is not a food additive?

Hydrocyanic acid (HCN) is used as an insecticide for

The catalyst used in shift converter is

Also checkout

Ca(OH)₂ is called